128212844

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 246486240

約数和(自身を除く): 118273396

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 131, 148, 262, 389, 524, 629, 778, 1258, 1556, 2227, 2516, 4454, 4847, 6613, 8908, 9694, 13226, 14393, 19388, 26452, 28786, 50959, 57572, 82399, 101918, 164798, 203836, 244681, 329596, 489362, 866303, 978724, 1732606, 1885483, 3465212, 3770966, 7541932, 32053211, 64106422, 128212844]

約数ペア:

[(1, 128212844), (2, 64106422), (4, 32053211), (17, 7541932), (34, 3770966), (37, 3465212), (68, 1885483), (74, 1732606), (131, 978724), (148, 866303), (262, 489362), (389, 329596), (524, 244681), (629, 203836), (778, 164798), (1258, 101918), (1556, 82399), (2227, 57572), (2516, 50959), (4454, 28786), (4847, 26452), (6613, 19388), (8908, 14393), (9694, 13226)]